- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Calorstat by Vernet "LS140552" - Not available
HONDA - Accord, Civic, CR-V (RD), Stream, CRX; AUDI - A4, A6, A3, S6, A5, A8, A7, Q5, A1, Q7